How to Find Percentiles in Statistics

The data arranged in ascending or descending order can be divided into 100 equal parts by 99 values. These values are called percentiles and denoted by P1, P2,………..P99. There is a slight difference in the calculation of percentiles in case of grouped and ungrouped data. Therefore calculation for both types of data is explained with the help of problems.

Calculation of Percentiles for Ungrouped Data

Percentiles of ungrouped data can be calculated with the help of following formula: